Lighting device



FIG. 1 is a front perspective view of a lighting device showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a left-side elevational view thereof.

FIG. 5 is a right-side elevational view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken lines are for the purpose of illustrating portions of the lighting device that form no part of the claimed design. 

CLAIM The ornamental design for a lighting device, as shown and described. 